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Finding the Fourth Proportional to 458,331.66, 632,504.43 and 254,395.67

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Solution

The fourth proportional to 458,331.66, 632,504.43 and 254,395.67 is: 351,069.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,331.66 : 632,504.43 = 254,395.67 : x
  2. Step 2: Convert to fraction form
    458,331.66/632,504.43 = 254,395.67/x
  3. Step 3: Cross multiply
    458,331.66x = 632,504.43 × 254,395.67
  4. Step 4: Simplify right side
    458,331.66x = 160,906,385,085.30
  5. Step 5: Solve for x
    x = 160,906,385,085.30/458,331.66
  6. Step 6: Final answer
    x = 351,069.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.